Add default values for conf->*early_data*

- early_data default to disable
- max_early_data_size default to built-in value

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>

library/ssl_tls.c

@@ -5126,6 +5126,15 @@ int mbedtls_ssl_config_defaults( mbedtls_ssl_config *conf,
 #endif
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
+
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+    mbedtls_ssl_tls13_conf_early_data( conf, MBEDTLS_SSL_EARLY_DATA_DISABLED );
+#if defined(MBEDTLS_SSL_SRV_C)
+    mbedtls_ssl_tls13_conf_max_early_data_size(
+        conf, MBEDTLS_SSL_MAX_EARLY_DATA_SIZE );
+#endif
+#endif /* MBEDTLS_SSL_EARLY_DATA */
+
 #if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_SESSION_TICKETS)
     mbedtls_ssl_conf_new_session_tickets(
         conf, MBEDTLS_SSL_TLS1_3_DEFAULT_NEW_SESSION_TICKETS );